{'create': datetime.datetime(2011, 1, 3, 0, 47, 27, 565185), 'author': 'vvs'}
{'create': datetime.datetime(2011, 1, 3, 0, 47, 27, 565974), 'author': 'vvs'}
add_dim_dlg
['10', '12', '15', '20']
Traceback (most recent call last):
  File "/home/vvs/Programming/dimcalc/dimcalc.py", line 371, in on_drawingarea_expose_event
    l += dim.value
AttributeError: 'int' object has no attribute 'value'
